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Finding the Fourth Proportional to 10,848.80, 14,772.80 and 10,848.80

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Solution

The fourth proportional to 10,848.80, 14,772.80 and 10,848.80 is: 14,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848.80 : 14,772.80 = 10,848.80 : x
  2. Step 2: Convert to fraction form
    10,848.80/14,772.80 = 10,848.80/x
  3. Step 3: Cross multiply
    10,848.80x = 14,772.80 × 10,848.80
  4. Step 4: Simplify right side
    10,848.80x = 160,267,152.64
  5. Step 5: Solve for x
    x = 160,267,152.64/10,848.80
  6. Step 6: Final answer
    x = 14,772.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.